3 case studies of duplicate content consolidation

It’s commonly held that duplicate or substantially similar content is bad for SEO. When Google finds duplicate content, this creates a conflict for the algorithm. Essentially, Google gets confused as to which page should be the primary ranking URL for a given search query, so it chooses the one it believes to be the most relevant. Unfortunately, the URL it chooses may not be the one you wish to display — and, in cases of exact duplicate content, the other versions of the page may even be filtered out of search results